Is Apple or Crabapple Toxic To Cats?

by Clair Chesterman
Is Apple or Crabapple Toxic To Cats?

While apples are healthy for humans, consuming an apple may have a different effect on felines. Cats are known to be carnivores, and too much sugar in their diet might lead to digestive or diabetic problems in the long run. In the end, it’s best not to feed cats apples.

An apple’s seeds, leaves, and stems contain cyanide, which when swallowed cuts off the oxygen supply to cells swiftly. Dilated pupils, vomiting, and respiratory problems are common symptoms of cyanide poisoning in cats. Apple poisoning may also lead to shock and can be lethal if left untreated.

What Is An Apple?

An apple is a common fruit that grows from the tree of Malus Domestica. Originated in Central Asia, the apple tree can grow up to 6 to 15 feet tall in cultivation and up to 30 feet tall in the wild. Its leaves are dark green, simple ovals with serrated margins and slightly downy undersides that are alternately arranged. Today, there are hundreds of varieties of apple trees worldwide and their fruits vary in size and color.

Clinical Signs of Apple Poisoning in Cats

Apple poisoning symptoms usually appear about 10-15 minutes after your cat has been exposed to the toxin. If you notice any of these symptoms, you should take your cat to the vet right away to avoid shock or death. Among the symptoms you may notice are:

  • Pupils dilated
  • Heavy panting
  • Vomiting
  • Breathing difficulties
  • Gums in bright red color

First Aid and Treatment of Apple Poisoning in Cats

Prompt veterinary care is important when dealing with apple poisoning. To confirm the presence of cyanide in your cat’s body, the vet will perform trocarization which is a process of taking a sample of fluid from your cat’s stomach. Cyanide is present in most of the plants so unless you are sure that your cat has ingested a poisonous part of an apple, your vet will not be able to exactly determine that the cause of the showing symptoms is apple.

The veterinarian may also administer amyl nitrate, sodium nitrite, and sodium thiosulfate, as necessary depending on your cat’s condition. The vet will monitor your cat’s symptoms and look for signs of improvement over the next few hours. If needed, your cat may be given a second dose of sodium nitrate.

Recovery from Apple Poisoning in Cats

Recovery of your cat from apple poisoning depends on how severe his or her symptoms are. As long as your cat was given immediate veterinary care, his or her recovery will be quick. Once you get home, keep your cat secure and comfortable indoors as he or she gains strength and recover to full health. 

Prevention of Apple Poisoning in Cats

Familiarize with plants that contain cyanide as it is common to most plants. To minimize the risk of exposure to plants containing cyanide, it is best to keep your cat inside your home. 

If you love plants but have cats at home, check out these lists:


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